TELEPHONE CISCO IP PHONE 7811 VoIP SIP SRTP
TELEPHONE CISCO IP PHONE 7811 VoIP SIP SRTP
Phone type VoIP phone
VoIP SIP SRTP Protocols
Audio conference function Yes
Phone features
Call services: Voicemail, Caller ID, Call waiting, Call forwarding, Call transfer, Call waiting, Message waiting function
Type of composition: Keyboard
Place of composition: Base
Audio conference function: Yes
Hands-free: Yes (digital two-way)
Menu operation: Yes
Indicators: Voice message indicator, hands-free indicator
Firmware upgradeable: Yes
Additional functions: Call timer
Additional functions: Music on hold
Main functions: Support for multiple VoIP protocols, built-in Ethernet switch
Quality of service: IEEE 802.1Q (VLAN), IEEE 802.1p
Assignment of IP addresses: DHCP, static
Security: 128-bit AES, 256-bit AES, IEEE 802.1X, TLS
Power Over Ethernet (PoE) support: Yes
Network protocols: Cisco Discovery Protocol (CDP), SRTP
Number of network ports: 2 x 10Base-T / 100Base-TX Ethernet
Screen resolution: 384 x 106 pixels